$SLNH SEC Filings

Filing Filed On
SCHEDULE 13G 30 Mar 2023
SC 13G 09 Mar 2022
SCHEDULE 13G 05 Jan 2022
SC 13G 11 May 2021
SC 13G 14 Sep 2016
SCHEDULE 13G 12 Feb 2015
MECHANICAL TECHNOLOGY, INC. SCHEDULE 13G 18 Mar 2014
SCHEDULE 13G 14 Feb 2007
BENEFICIAL OWNERSHIP OF 5% OR MORE 26 Dec 2006
BENEFICIAL OWNERSHIP OF 5% OR MORE 22 Dec 2006
BENEFICIAL OWNERSHIP OF 5% OR MORE 19 May 2006
SCHEDULE 13G 14 Feb 2005
SCHEDULE 13G 14 Feb 2001